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A. Malik, S. Dustdar:
"Sharing and Privacy-Aware RBAC in Online Social Networks";
Talk: 1st International Workshop on Security and Privacy in Social Networks (SPSN 2011) in conjunction with IEEE SocialCom 2011, Boston Massachusetts, USA; 10-09-2011 - 10-11-2011; in: "Proceedings of the IEEE International Conference on Privacy, Security, Risk and Trust and IEEE International Conference on Social Computing (PASSAT/SocialCom 2011)", IEEE Computer Society, (2011), ISBN: 978-0-7695-4578-3; 1352 - 1355.

Online social networks have gained enormous popularity in the last decade. Users share their private information online with other users, which is becoming a serious privacy issue at the social and technical level. In a society, everyone is a member of many collaborative groups (social circles), for example, colleagues, class
fellows. There are many collaborative relationships among group members. Current social networks mostly use friend as a relationship, which in our social life, is not practical. In a society, we have different levels of collaborative relationships with others and even some relationship with non-friends. We use collaborative groups and relationships that facilitate users in controlling the privacy and sharing level of their information in social networks. We present a
sharing and privacy-aware SP-RBAC model by extending the well-known RBAC model. Our model increases the collaborative community of a user, and hence increases sharing of information, minimizing the privacy threats using simple user management.

Social network, Privacy, Access control, Information sharing.

http://dx.doi.org/10.1109/PASSAT/SocialCom.2011.93

Project Head Schahram Dustdar:
COIN